[Bug 107978] [amdgpu] Switching to tty fails with DisplayPort 1.2 monitor going to sleep (REG_WAIT timeout / dce110_stream_encoder_dp_blank)

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Comment # 18 on bug 107978 from
Same problem for me.
Using 2 identical DELL U2415 and a Radeon RX 580.
On Arch with 4.18.x Daisychainig both monitors worked like a charm.
After upgrading to 4.19 the monitors only work when I`m disableing DP1.2. But
then I obviously can't Daisychain.
Is there any way I can help troubleshoot this?


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